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infolog.go
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infolog.go
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package infolog
import (
"bytes"
"fmt"
"io/ioutil"
"os"
"github.com/aws/aws-sdk-go/service/s3"
)
type LogConfig struct {
Level int
Logfilepath string
Logfilehandle *os.File
Logbucket string
Logbucketkey string
S3session *s3.S3
}
var Loglevel int
var Logconf LogConfig
const (
PANIC = 0
ERROR = 1
WARN = 2
INFO = 3
DEBUG = 4
)
func Log(level int, msg string, val ...interface{}) {
if Loglevel >= level {
fmt.Printf(msg, val...)
fmt.Println(" ")
logmesg := fmt.Sprintf(msg, val...)
logmesgdata := logmesg + "\n"
Logconf.Logfilehandle.WriteString(logmesgdata)
if level == PANIC {
fmt.Println("\nFatal error ...\n")
Logconf.Logfilehandle.WriteString("\nFatal error ...\n")
StoreLog(Logconf.Logbucket, Logconf.Logbucketkey)
panic("Exiting")
}
}
}
func StoreLog(bucketname string, bucketkey string) (err error) {
content, err := ioutil.ReadFile(Logconf.Logfilepath)
fmt.Println("Storing logs to S3...")
err = copyLogsToS3(Logconf.S3session, bucketname, bucketkey, content)
if err != nil {
fmt.Println("Error in log copy to S3 :: Error=%s", err)
return err
}
return err
}
func copyLogsToS3(svc *s3.S3, bucket string, filename string, content []byte) (err error) {
uploadResult, err := svc.PutObject(&s3.PutObjectInput{
Body: bytes.NewReader(content),
Bucket: &bucket,
Key: &filename,
})
if err != nil {
fmt.Println("Failed to upload data to %s/%s, %s, %s\n", bucket, filename, err, uploadResult)
return err
}
fmt.Println("Successfully uploaded data to bucket %s with key %s\n", bucket, filename)
return
}